国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08G（2）
IPC C08G073/10（2）
发明人
公开年 2022（2）
申请年
专利权人

Low residual image polyimide used in liquid crystal alignment film, comprises alicyclic dianhydride monomer, additive containing piperidine group, graphene, and diamine monomer comprising diamine monomer containing linear alkyl and N,N,N',N'-tetrakis(p-aminophenyl)p-phenylenediamine.

ZHENG Q, LIU B, SHAO C, CAO H, LIU G

Preparing high temperature resistant polyimide useful for manufacturing flexible display substrate, comprises e.g. carrying out suction filtration and vacuum defoaming of polyamic acid resin solution, casting on casting plate, solidifying into adhesive film.

QIAN X, LIAO B, ZHANG B